Ask question

Ask question

All categories

2 years ago

7

In a survey, 31 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped

with a mean of $33 and a standard deviation of $16. Construct a confidence interval at a 98% confidence level.
Give your answers to one decimal place

1 answer:

Lesechka [4]2 years ago

6 0

Answer:

The margin of error is 5. 00

You might be interested in

Write the function f(x)=-3x^(2)+18x-24 in intercept form

tensa zangetsu [6.8K]

Answer:

x=67

Step-by-step explanation:

chicken <3

3 0

3 years ago

Maker the subject of this formula.<br> V = ³√p+r?

Alla [95]

Answer:

here's the answer I have in the photo and solution too

4 0

1 year ago

Seven times a number is equal to 9 more than 4 times the number. find the number

Yanka [14]

Represent 'a number' by x
7 times x equals 9 more than 4 times x
7 times x=9+4 times x
7x=9+4x
subtract 4x from both sides
3x=9
divide 3
x=3

the number is 3

5 0

2 years ago

Tema [17]

Answer:

i think it would be number 3.

Hope this helps.

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

What does m = in m/6 + 8=13 with work shown

Tom [10]

Please excuse my sloppy writing but the answer is 30

8 0

3 years ago